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AMD Athlon X2 5400B

Front view of AMD Athlon X2 5400B
Front view of AMD Athlon II X2 250

AMD Athlon II X2 250

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Differences What are the advantages of each

Front view of AMD Athlon X2 5400B

Reasons to consider the
AMD Athlon X2 5400B

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Much more l3 cache 0.5 MB vs 0 MB Compared to all cpus, 0.5 MB l3 cache is just OK
Much more l3 cache per core 0.25 MB/core vs 0 MB/core Compared to all cpus, 0.25 MB/core l3 cache per core is just OK
Front view of AMD Athlon II X2 250

Reasons to consider the
AMD Athlon II X2 250

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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better PassMark score 1,750 vs 1,425 Around 25% better PassMark score
Much better geekbench 2 (32-bit) score 2,690 vs 2,051 More than 30% better geekbench 2 (32-bit) score
Much better performance per watt 1.79 pt/W vs 0.88 pt/W More than 2x better performance per watt
Higher clock speed 3 GHz vs 2.8 GHz More than 5% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much better overclocked clock speed (Air) 3.72 GHz vs 3.27 GHz Around 15% better overclocked clock speed (Air)
Much higher Maximum operating temperature 74 °C vs 68 °C Around 10% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.04 GHz vs 2.8 GHz Around 45% better overclocked clock speed (Water)
Newer Jun, 2009 vs Apr, 2008 Release date over 1 years later

Benchmarks Real world tests of Athlon X2 5400B vs II X2 250

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Athlon X2 5400B
1,766
Athlon II X2 250
2,814

GeekBench 3 (Single core) Data courtesy Primate Labs

Athlon X2 5400B
1,122
Athlon II X2 250
1,524

GeekBench 3 (AES single core) Data courtesy Primate Labs

Athlon X2 5400B
74.95 MB/s
Athlon II X2 250
120,700 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Athlon X2 5400B
2,051
Athlon II X2 250
2,690

GeekBench

Athlon X2 5400B
2,883
Athlon II X2 250
4,461

PassMark Data courtesy Passmark

Athlon X2 5400B
1,425
Athlon II X2 250
1,750

PassMark (Single Core)

Athlon X2 5400B
836
Athlon II X2 250
1,008

Specifications Full list of technical specs

summary

 Athlon X2 5400B  vs
II X2 250 
Clock speed 2.8 GHz 3 GHz
Cores Dual core Dual core
Socket type
AM2
AM3
Is unlocked No No

features
Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
3DNow!
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 65W 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 0.88 pt/W 1.79 pt/W
Typical power consumption 52.81W 52.81W

details

 Athlon X2 5400B  vs
II X2 250 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 0.5 MB 0 MB
L3 cache per core 0.25 MB/core 0 MB/core
Manufacture process 65 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 68°C Unknown - 74°C

overclocking
Overclocked clock speed 3.27 GHz 3.72 GHz
Overclocked clock speed (Water) 2.8 GHz 4.04 GHz
PassMark (Overclocked) 1,558.9 2,374.3
Overclocked clock speed (Air) 3.27 GHz 3.72 GHz

integrated graphics
GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
AMD Athlon X2 5400B
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AMD Athlon II X2 250
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